InChI=1/C20H20FNO2/c1-11-10-20(2,3)22-15-7-6-13-14-9-12(21)5-8-16(14)24-19(23-4)18(13)17(11)15/h5-10,19,22H,1-4H3/t19-/m1/s1 22601A82B07513B6